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Finding the Fourth Proportional to 62,267.78, 85,932.09 and 35,415.02

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Solution

The fourth proportional to 62,267.78, 85,932.09 and 35,415.02 is: 48,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,267.78 : 85,932.09 = 35,415.02 : x
  2. Step 2: Convert to fraction form
    62,267.78/85,932.09 = 35,415.02/x
  3. Step 3: Cross multiply
    62,267.78x = 85,932.09 × 35,415.02
  4. Step 4: Simplify right side
    62,267.78x = 3,043,286,685.99
  5. Step 5: Solve for x
    x = 3,043,286,685.99/62,267.78
  6. Step 6: Final answer
    x = 48,874.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.